/ Dictionary / Index I Indy: Meaning and Definition of Find definitions for: In•dy Pronunciation: (in'dē), [key] — Informal. Informal. —n. Indianapolis, Ind. the Indianapolis 500. —adj. of or pertaining to the Indianapolis 500: an Indy race car. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. indwelling catheter Indy, d' Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language